Generation of Intense UV Radiation during High-Current Breakdown over a Ferrite Surface

I. N. Tilikin; S. N. Tskhai; T. A. Shelkovenko; S. Yu. Savinov; S. A. Pikuz

doi:10.1134/S1063780X18060107

Generation of Intense UV Radiation during High-Current Breakdown over a Ferrite Surface

Authors: Tilikin I.N.¹, Tskhai S.N.¹, Shelkovenko T.A.¹, Savinov S.Y.¹, Pikuz S.A.¹
Affiliations:
1. Lebedev Physical Institute
Issue: Vol 44, No 6 (2018)
Pages: 600-604
Section: Low-Temperature Plasma
URL: https://journals.rcsi.science/1063-780X/article/view/186802
DOI: https://doi.org/10.1134/S1063780X18060107
ID: 186802

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Abstract

The dynamics and emission characteristics of pulsed breakdown over a ferrite surface at a current amplitude of 270 kA and current rise time of 80 ns were studied experimentally. It is shown that the characteristic transverse size of the discharge region in visible radiation is ~3 mm, while that in vacuum UV (VUV) radiation is ~200 μm. The duration of the VUV pulse with an average power of ≈0.275 GW is about 80 ns.